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snmp: add align parameter to snmp_mib_init()

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In preparation for 64bit snmp counters for some mibs,
add an 'align' parameter to snmp_mib_init(), instead
of assuming mibs only contain 'unsigned long' fields.

Callers can use __alignof__(type) to provide correct
alignment.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
CC: Herbert Xu <herbert@gondor.apana.org.au>
CC: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
CC: Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org>
CC: Vlad Yasevich <vladislav.yasevich@hp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet
2010-06-22 20:58:41 +00:00
committed by David S. Miller
parent 5eaa0bd81f
commit 1823e4c80e
7 changed files with 40 additions and 22 deletions
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2
include/net/ip.h
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@@ -178,7 +178,7 @@ extern struct ipv4_config ipv4_config;
#define NET_ADD_STATS_USER(net, field, adnd) SNMP_ADD_STATS_USER((net)->mib.net_statistics, field, adnd)
extern unsigned long snmp_fold_field(void __percpu *mib[], int offt);
extern int snmp_mib_init(void __percpu *ptr[2], size_t mibsize);
extern int snmp_mib_init(void __percpu *ptr[2], size_t mibsize, size_t align);
extern void snmp_mib_free(void __percpu *ptr[2]);
extern struct local_ports {